PPE OEM Length Replacement High Flow Up-Pipes for 2017-2021 Chevy/GMC 6.6L Duramax L5P 116122000

GM trucks equipped with the L5P diesel are a modern marvel of engineering and design. They’re a winning combination: a powerful workhorse, with low emissions, and great styling. Unfortunately, they have been outfitted with undersized, restrictive stock up-pipes.

Now you can upgrade the L5P to achieve higher-flow by bolting on PPE OEM-Length Replacement High-Flow Up-Pipes. These direct replacements have a 46% larger flow area over stock, which results in a deeper-breathing power-plant, while maintaining the mandated Federal emissions standards of stock.

Key Features

• Direct bolt-on replacement to factory exhaust manifolds
• Significant reduction in exhaust back-pressure
• 46% larger flow area over stock
• 304 stainless steel, internally-sleeved bellows
• Manufactured from 11 gauge 304 stainless steel
• Faster turbo response
• Lower exhaust temperatures
• Kit includes driver and passenger Up-Pipes and PPE 301 Stainless Steel Up-Pipe Gaskets
• 50 States Emissions Legal (E.O. D-701-33)
• Replacement for GM Equivalent P/Ns: 12676611, 12688021
  
  

The PPE OEM-Length Up-Pipes are manufactured from 11 gauge 304 stainless steel. These new Up-Pipes include the superior PPE internally-sleeved bellows, also manufactured from 304 stainless steel.

This system is engineered to take the abuse of high temperatures and high pressures, while promoting increased exhaust flow and lower EGTs. A superior product for your modern marvel.